Introduction to vectors and scalars (8:38) A discussion on vectors and scalars.
Recognizing vectors (2:35) Which of the following can represent a vector? Select all that apply.
- The number 5
- The angle measure
- The point
- The outcome of
- * Practice: Recognizing vectors. (2 problems)
Equivalent vectors (6:36) When are two vectors equivalent.
- * Practice: Equivalent vectors. (4 problems)
Finding the magnitude (3:05) The magnitude of
.
Scalar multiplication of vectors (5:41) Given that
, find
and
. What do they represent geometrically?
- * Practice: Scalar multiplication. (4 problems)
Adding and subtracting vectors (7:41) Given that
and
, what are
and
? What do they represent geometrically?
Combined vector operations (5:58) Given that
and
, what are
and
? What does it represent geometrically?
- * Practice: Combined vector operations. (4 problems)
Finding unit vector with given direction (5:01) Find a unit vector in the direction of
.
- * Practice: Unit vectors. (4 problems)
Direction of a vector (1st and 2nd quadrant) (9:00) Find the directions of
and
.
Direction of a vector (3rd and 4th quadrant) (6:41) Find the directions of
and
.
- * Practice: Direction of vectors. (4 problems)